Backend Engineer (Python/Ruby)

At Upside, we’re not just shipping features - we’re partnering with ambitious companies across the globe to solve complex, meaningful problems through technology. We work in small, focused teams, combining engineering, product thinking, and design, to deliver outcomes, not just output.

Open-source is a strategic part of our work. We build and maintain a number of open-source projects that support our clients and internal R&D. Our latest release is Enthusiast, an AI Agent framework tailored for e-commerce use cases.

→  Experience with SQL databases.

→  Experience with orchestration tools (e.g. AWS/Docker/Kubernetes).

→  Solid OOP skills.

→  Experience with Git, unit testing, debugging, and profiling.

→  Experience with Continuous Integration and Continuous Delivery.

→  Experience in creating modern APIs.
→  Knowledge of frontend frameworks and tools (e.g. Vue.js, React.js) is nice to have.

→  Knowledge of Node.js, JavaScript is nice to have. 

If you didn't find all the information you were looking for, have a look at our handbook - it covers a variety of different matters that could be important at this stage. If there's anything else we did not mention that you're interested in - share your thoughts with us careers@upsidelab.io

Regular Engineer: 10 000 - 13 600 PLN net + VAT
Regular+ Engineer: 14 800 - 19 300 PLN net + VAT

Office in Kraków, hybrid, fully remotely.